virtual frequency sweeper
virtual frequency sweeper
虚拟扫频器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This paper introduced the design and development of a virtual frequency sweeper based on DDS technology. The DDS technology and the method to design the frequency sweeping generator were illustrated.
介绍了基于DDS技术的虚拟扫频仪的硬件与软件设计，并详述了DDS技术以及用该技术实现扫频信号源的方法。
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